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Finding the Fourth Proportional to 48,015.60, 71,970.60 and 16,834.80

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Solution

The fourth proportional to 48,015.60, 71,970.60 and 16,834.80 is: 25,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,015.60 : 71,970.60 = 16,834.80 : x
  2. Step 2: Convert to fraction form
    48,015.60/71,970.60 = 16,834.80/x
  3. Step 3: Cross multiply
    48,015.60x = 71,970.60 × 16,834.80
  4. Step 4: Simplify right side
    48,015.60x = 1,211,610,656.88
  5. Step 5: Solve for x
    x = 1,211,610,656.88/48,015.60
  6. Step 6: Final answer
    x = 25,233.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.